header_checks: Block OLD mail!

WARNING: The information presented in this article is provided without warranty. Use at your own risk! Do not implement any features without full understanding of the implications. Using these measures incorrectly MAY prevent e-mail from reaching your server.

A lot of SPAM is sent with an old date. Easy to get rid of these. Once your well and truly into a new year, don't forget to update these.

Quote:   

/^Date:.*200[0-7]/ REJECT Message header rejected [058] - Date too old!
/^Date:.*19[0-9][0-9]/ REJECT Message header rejected [059] - Date too old!